test: cleanup

tests/files/test1/test.mo.yaml

@@ -2,3 +2,4 @@ value: ${sample}
 nested: ${some.nested.value}
 custom: ${custom/field}
 uname: ${sample/username}
+invalid: ${double/slash/example}

tests/test_mo.py

@@ -7,7 +7,7 @@ from app.services import Passwords
 from app.services.mo import Mo
 
 
-@pytest.fixture
+@pytest.fixture(scope='class')
 def target_path():
   p = Path('tests/files/test1/test.yaml')
   # posprzątaj przed testem, gdyby plik istniał z poprzednich uruchomień
@@ -19,7 +19,7 @@ def target_path():
     p.unlink()
 
 
-@pytest.fixture
+@pytest.fixture(scope='class')
 def test1_content(target_path: Path):
   mo = Mo(Passwords())
   mo.process(Path('tests/files/test1/test.mo.yaml').absolute())
@@ -29,20 +29,22 @@ def test1_content(target_path: Path):
   content = target_path.read_text()
   assert '${' not in content
 
-  return yaml.load(content, Loader=yaml.FullLoader)
+  yield yaml.load(content, Loader=yaml.FullLoader)
 
 
-def test_simple(test1_content: dict):
-  assert test1_content['value'] == 'some_pass'
+class TestParsing:
 
+  def test_simple(self, test1_content: dict):
+    assert test1_content['value'] == 'some_pass'
 
-def test_nested(test1_content: dict):
-  assert test1_content['nested'] == 'nested_pass'
+  def test_nested(self, test1_content: dict):
+    assert test1_content['nested'] == 'nested_pass'
 
+  def test_custom_field(self, test1_content: dict):
+    assert test1_content['custom'] == 'custom_content'
 
-def test_custom_field(test1_content: dict):
-  assert test1_content['custom'] == 'custom_content'
+  def test_username_field(self, test1_content: dict):
+    assert test1_content['uname'] == 'sample_username'
 
-
-def test_username_field(test1_content: dict):
-  assert test1_content['uname'] == 'sample_username'
+  def test_invalid_key(self, test1_content: dict):
+    assert test1_content.get('invalid') == 'None'